2022年新版外研初中英语主将从现详细讲解与练习.docx

精选学习资料 - - - - - - - - - 主将从现定义：主将从现是指在 时间状语从句和条件状语从句 中,假如 主句是一般将来时, 从句 用一般现在时替代一般将来时；引导条件状语从句的词 if : If you ask him, he will help you. unless : I ll go there tomorrow unless it rains. 引导时间状语从句的词when , while , before , after , untill , till , since , as soon as , 1. 主将从现 主句是一般将来时,从句用一般现在时；When I grow up, Ill be a doctor.If you go to the party, you will be happy. 2. 主祈从现 主句是祈使句,从句用一般现在时；Dont laugh at me when I make a mistake.Put it in your diary before you forget. 用记事本登记免得忘了；3.主情从现主句中含有情态动词,从句用一般现在时；You should be quiet when you are in the reading room. A baby deer can stand as soon as its born. 小鹿一生下来就能站着；You can get a better job if you speak a foreign language. 要是你会说一种外语,那你就会找到更好的工作；通常显现情形 1. “ 主将从现” 见于时间状语从句 As soon as I get through with my work I ll join you. 我工作一做完就来找你们；Before they drive any of the buses, they will have to pass a special test. 然而在驾驶 公共汽车前 ,他们必需通过特地测验；My mother will be very angry with me when she finds out where I ve been. 我母亲 要是知道我到过那地方肯定会大怒；名师归纳总结 - - - - - - -第 1 页,共 4 页精选学习资料 - - - - - - - - - Well pay you half up front and the other half when you ve finished the job. 我们先 付给你一半钱,剩下的一半等你干完了再付；2. “ 主将从现” 见于条件状语从句If it is necessary I will come at 6. 如有必要,我 6 点钟来；If today is Wednesday, the day after tomorrow will be Friday. 今日要是星期三,后天就是星期五；If you train hard, you ll make a good footballer. 你要刻苦训练就能成为优秀的足球运动员；If past experience is anything to go by, the plane will be late. 过去的体会要是仍靠得住的话,这飞机会晚点的3. “ 主将从现” 见于让步状语从句 We ll go even if it rains. 即使下雨我们也去；He ll come even if hes i11. 他即使生病也会来；Even if he had the money, he wouldn t buy it. 他即使有钱也不会买它；He ll probably say no, though its worth trying. 他很可能不同意,但不妨去摸索一下【Exercise 】1. If I come, I _ see you. 2. If it is fine, we_ go for a walk. 3. If it rains, they _ stay at home. 4. You will spoil it if you _ not be careful. 5. We will be very much pleased if you _ come . 6. Will you help me if I _ need you. 7. They will get wet if it _ rain . 8. We will answer if we _ can . 9. If you eat too much, you _ get ill. 名师归纳总结 10. -What will Bill do if he _in the test.-He will try again. 第 2 页,共 4 页 A. fail B. fails . will fail D. is failing 11. Please tell her the news when she_. OK, I will. A. comes B. will come. C. come D. would come 12. The students will plant trees if it _ tomorrow. A. didnt rainB. hasn t rained C. won t rain D. doesnt rain 13. We_ home if there is no bus. -Oh, what a pity. - - - - - - -精选学习资料 - - - - - - - - - A. will walk B. have walked C. walked D. walk 14 .If it _ tomorrow, Ill go by car.A. rain B. will rain C. rains D. would rain 15.If Mary_next Sunday, we will go boating together. A. will come B. comes C. shall come D. shouldcome 16. - Don t forget to ask him to write to me. - I won t. As soon as he_, Ill ask him to write to you.A. will come B. came C. comes D. is coming 17. - Can I go to Beijing for my holiday, Dad. - You can when you _ a bit older. A. will get B. get C. are getting D. got 18. If he _harder, he will catch up with us soon. A. study B. studies C. will study D. studied 19. Frank _to see his grandma if he _ free tomorrow. A. will come; will be B. comes; is C. will come; is D. comes; will be 【拓展练习】（）1. If you want to learn English well, you must use it as _ as possible. A. often B. long C. many D. soon （）2. -What will Bill do if he _in the test. -He will try again. A. fail B. fails C. will fail D. is failing 3. Please tell her the news when she_. OK, I will. A. comes B. will come. C. come D. would come 4. The students will plant trees if it _ tomorrow. A. didnt rain B. hasn t rained C. won t rain D. doesn t rain 5. We_ home if there is no bus. -Oh, what a pity. 名师归纳总结 A. will walk B. have walked C. walked D. walk 第 3 页,共 4 页 6 . If it _ t omorrow, Ill go by car. A. rain B. will rain C. rains D. would rain 7. If Mary _ next Sunday, we will go boating together. A. will come B. comes C. shall come D. should come 8. - Dont forget to ask him toto me. - I won t. As soon as he _, Ill ask him toto you.- - - - - - -精选学习资料 - - - - - - - - - A. will come B. came C. comes D. is coming 9. - _ the young girl _ the old man clean his room every day. - Yes, she does. A. Does; help B. Has; helped C. Did; help D. Do; helps 10. - What does Linda often do in the evening. - She often _ her homework, but on the evening of March 12 she _ TVA. does; watches B. is doing; watched C. does; watched D. is doing; was watching 11. Our geography teacher told us yesterday that the earth _ around the sun. A. was moving B. moved C. has moved D. moves 12. - Do you likesilk dress. - Yes, I do. It _ so soft and comfortable. A. is feeling B. feels C. has felt D. is felt 13. - Can I go to Beijing for my holiday, Dad. - You can when you _ a bit older. A. willnbsp; B.nbsp; C. are getting D. got 14. If he _harder, he will catch up with us soon. A. study B. studies C. will study D. studied 15. Frank _ to see his grandma if he _ free tomorrow. A. will come; will be B. comes; is C. will come; is D. comes; will be 16. When will you tell him the good news. -I will tell him about it as soon as he _ back. A. comes B. came C. will come D. is coming 17. _ me carefully, boys and girls. Can you _ me. A. Listen to; hear B. Hear; listen to C. Hear; hear D. Listen to; hear from 18. It wont _ them much time to fly to Beijing from Shanghai. A. spend B. use C. take D. pay 19. Do you like the music the Moonlight Sonata. -Yes, it _ really beautiful. 名师归纳总结 A. feels B. sounds C. listens D. hears 第 4 页,共 4 页- - - - - - -